As a new concept of automotive electronic equipment，car nav with DVD radio can provide a lot of convenience to vehicle owners in geographic information services, urban navigation, car excursion etc.In Europe and other countries,car DVD with GPS navigation has become a popular tool for assisted living, or even a necessity.Now, with private car ownership has increased significantly,GPS has become increasingly fierce market competition.car DVD player GPS products are no longer the “fever” class equipments in the hands of a minority professionals and explorers.But how to choose the car DVD Player GPS Navigation System?While more and more persons are interested in the car radio Sat Navi product,consumers are often in a “smattering” state when purchasing this type of high-tech products.It is easy to make them confused and puzzled.The main reason is that we are not so familiar with such a electronic equipment and the head unit is a little complex comparing with other vehicle accessories.

You can see the effect after installing the newest car nav machine:

In fact,we should know about some information about the functions of the car DVD player before we decide buy the product.Maybe the video about how to use the DVD player will let you get the better understanding.

At first,we should notice the GPS map.Electronic map is the core part of the car nav function application of the DVD player.The detailed amount of data is the basic element it should have.So consumers should check the origin of the electronic map.The IGO8 is a quite high quality GPS map at present.There are some other versions like Tomtom Route 66 Papago etc.Professional,detailed electronic navigation map should also be able to provide detailed nationwide road network and major cities information in addition to the high degree of accuracy.It should include the streets,catering, accommodation, entertainment, transportation and other information points as many as possible.Then the product performance to differ materially.We also need care about this point.As the car DVD player is applied in the car,it should be adapted to the harsh environment with seismic,temperature and other characteristics of the car on the technology and quality.The last tip is that high quality is not cheap.The great functions this machine includes will make the cost a little high.If you really want to choose one pleased unit,you had better not be mean with your money.Unlike some products such as the clothes,the high price nearly mean the good product and great after-sale service.As a word,you should think about these factor comprehensively.After all,the cost is not so cheap and the product is quite important for your driving.